Ultra-chron Rolex and a rotating rehaut

and a rotating rehaut

it offers a 48-hour power reserve and displays world time

Designed for scientific environments with 10 ATM water resistance

while the tourbillon complication adds both technical brilliance and visual allure

The silver dial is adorned with blue steel hands

Ultra-chron Rolex and a rotating rehautLongines Ultra Chron Steel Precision The Longines Ultra Chron (Ref. L2. 836. 4. 52. 6) is a men's watch featuring a 43mm stainless steel case and a sleek black dial. This pre owned timepiece, in very good condition, showcases a high precision automatic movement, the Longines caliber L836, offering a 52 hour power reserve. A sapphire crystal protects the dial, and the steel bezel complements the case. The stainless steel bracelet, secured with a steel